28263960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78511}}^1$

素因数の和:78528

約数の個数: 48

約数和(自身を含む): 91859040

約数和(自身を除く): 63595080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78511, 157022, 235533, 314044, 392555, 471066, 628088, 706599, 785110, 942132, 1177665, 1413198, 1570220, 1884264, 2355330, 2826396, 3140440, 3532995, 4710660, 5652792, 7065990, 9421320, 14131980, 28263960]

約数ペア:

[(1, 28263960), (2, 14131980), (3, 9421320), (4, 7065990), (5, 5652792), (6, 4710660), (8, 3532995), (9, 3140440), (10, 2826396), (12, 2355330), (15, 1884264), (18, 1570220), (20, 1413198), (24, 1177665), (30, 942132), (36, 785110), (40, 706599), (45, 628088), (60, 471066), (72, 392555), (90, 314044), (120, 235533), (180, 157022), (360, 78511)]